Keep your brain active and your memory flexible—and have fun doing it—with this big book of logic and memory puzzles. Following a quick lesson in associative memory by visualizing pairs of words as mental pictures, Charles Timmerman—founder and host of the word-game site Funster.com—lets you test your brainpower with forget-me-not lists, crosswords, Sudoku, word searches, mazes, scrambled words, triplet puzzles (find the common word to complete all three), and challenges to make words from famous names and change one word to another, one letter at a time.